DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines To increase the series flux So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines To increase the series flux So that the two identical machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Needle bearings Magnetic bearings Bush bearings Ball bearings Needle bearings Magnetic bearings Bush bearings Ball bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to None of the listed here Stray losses plus shunt cu loss Stray losses Mechanical losses None of the listed here Stray losses plus shunt cu loss Stray losses Mechanical losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 100 10 150 50 100 10 150 50 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 0.1 V 2 V 20 V 10 V 0.1 V 2 V 20 V 10 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Triangular Sinusoidal Pulsating Flat topped Triangular Sinusoidal Pulsating Flat topped ANSWER DOWNLOAD EXAMIANS APP
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